Knife



FIG. 1 is a front perspective view of the knife;

FIG. 2 is a top view of the knife;

FIG. 3 is a bottom view of the knife;

FIG. 4 is a left side view of the knife;

FIG. 5 is a right side view of the knife;

FIG. 6 is a front view of the knife; and,

FIG. 7 is a rear view of the knife.

The dotted lines shown in FIGS. 1-3 are environmental only and form no part of the claimed design. 

CLAIM The ornamental design for a knife, as shown and described. 